Check valve with contoured body



FIG. 1 is a front elevational view of a check valve with contoured body showing my new design;

FIG. 2 is a right side elevational view thereof, the left side elevational view being the same;

FIG. 3 is a bottom plan view thereof; and,

FIG. 4 is a top plan view thereof. 

I claim the ornamental design for a check valve with contoured body, as Shown and described. 